Results 131 to 140 of about 338,477 (271)

Endoscopic features of deficient mismatch repair/microsatellite instability‐high and BRAF‐mutated colorectal cancer

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
Abstract Objective Recent advancements in genome analyses, including the BRAF gene and mismatch repair (MMR) gene/microsatellite instability (MSI), have revealed the biological diversity of colorectal cancer (CRC). BRAF‐mutated CRC has a poor prognosis; however, cases exhibiting deficient MMR (dMMR)/MSI‐high (MSI‐H) and BRAF gene mutations have ...
Rika Omote   +7 more
wiley   +1 more source

Gel Immersion Endoscopic Submucosal Dissection Using a Scissor‐type Knife for Superficial Non‐ampullary Duodenal Epithelial Tumors

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
Abstract Objectives This study aimed to compare the short‐term therapeutic outcomes between conventional endoscopic submucosal dissection (C‐ESD) and gel immersion ESD (GI‐ESD) for superficial non‐ampullary duodenal epithelial tumors (SNADETs). Methods A retrospective analysis was conducted on patients with SNADETs who underwent C‐ESD or GI‐ESD between
Osamu Dohi   +21 more
wiley   +1 more source

Capsule Endoscopy in Inflammatory Bowel Disease: Current Status and Issues in Clinical Practice

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Inflammatory bowel diseases include Crohn's disease (CD) and ulcerative colitis (UC), both of which require endoscopic evaluation of mucosal surfaces. Capsule endoscopy has been used in clinical practice since 2000 as a minimally invasive means of mucosal evaluation.
Teppei Omori   +6 more
wiley   +1 more source

Natural History of Duodenal Adenoma: An 11‐year Follow‐up

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Early detection and treatment are essential to decrease the mortality rate of duodenal cancer (DC). However, the natural history of DC remains unclear. A 78‐year‐old woman underwent screening esophagogastroduodenoscopy (EGD) before surgery for advanced colon cancer.
Hikaru Kuribara   +8 more
wiley   +1 more source

Primary Extragastrointestinal Stromal Tumor of the Dorsolateral Anorectum Resected via a Posterior Approach: A Case Report. [PDF]

open access: yesSurg Case Rep
Hasegawa M   +12 more
europepmc   +1 more source

Electrolyte Depletion Syndrome due to a 28 cm Rectal Villous Tumor: Successful Endoscopic Resection of One of the Largest Tumors Reported to Date—A Case Report

open access: yesDEN Open, Volume 6, Issue 1, April 2026.
ABSTRACT Electrolyte depletion syndrome (EDS), also known as McKittrick–Wheelock syndrome, is a rare but life‐threatening condition caused by secretory diarrhea from colorectal villous tumors, often accompanied by severe electrolyte imbalances and renal dysfunction.
Toshifumi Iida   +8 more
wiley   +1 more source

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